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Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...
Weather Underground is a commercial weather service providing real-time weather information over the Internet. It provides weather reports for most major cities around the world on its Web site, as well as local weather reports for newspapers and third-party sites. Its information comes from the National Weather Service (NWS), and over 250,000 ...
The National Weather Service bulletin for the New Orleans region of 10:11 a.m., August 28, 2005, was a particularly dire warning issued by the local Weather Forecast Office in Slidell, Louisiana, warning of the devastation that Hurricane Katrina could wreak upon the Gulf Coast of the United States, and the torrent of pain, misery and suffering that would follow once the storm left the area.
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GOES-16, a United States weather satellite of the meteorological-satellite service. A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be polar orbiting (covering the entire Earth asynchronously), or geostationary ...
High risk convective outlook issued by the Storm Prediction center at 13:00 UTC on May 6 May 6. Starting April 30, the Storm Prediction Center noted that certain models, including the ECMWF, forecasted a multi-day period of high instability and supportive wind shear across the Southern and Central Plains, and by May 1, a 15% risk was added across Nebraska, Kansas, Oklahoma, and northern Texas.
Over the last 100 years, the average temperature in Chapel Hill has gone up 1.2 °F (0.7 °C) and precipitation in some parts of the state has increased by 5 percent. Around the year 2080, "temperatures are likely to rise above 95°F approximately 20 to 40 days per year in most of the state, compared with about 10 days per year" in 2016.
The University of North Carolina at Chapel Hill ( UNC, UNC-Chapel Hill, North Carolina, Chapel Hill, or simply Carolina) [12] is a public research university in Chapel Hill, North Carolina. Chartered in 1789, the university first began enrolling students in 1795, making it one of the oldest public universities in the United States.